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| 1 | #! /usr/bin/env python | ||
| 2 | |||
| 3 | import sys | ||
| 4 | from aubio import source, notes | ||
| 5 | |||
| 6 | if len(sys.argv) < 2: | ||
| 7 | print("Usage: %s <filename> [samplerate]" % sys.argv[0]) | ||
| 8 | sys.exit(1) | ||
| 9 | |||
| 10 | filename = sys.argv[1] | ||
| 11 | |||
| 12 | downsample = 1 | ||
| 13 | samplerate = 44100 // downsample | ||
| 14 | if len( sys.argv ) > 2: samplerate = int(sys.argv[2]) | ||
| 15 | |||
| 16 | win_s = 512 // downsample # fft size | ||
| 17 | hop_s = 256 // downsample # hop size | ||
| 18 | |||
| 19 | s = source(filename, samplerate, hop_s) | ||
| 20 | samplerate = s.samplerate | ||
| 21 | |||
| 22 | tolerance = 0.8 | ||
| 23 | |||
| 24 | notes_o = notes("default", win_s, hop_s, samplerate) | ||
| 25 | |||
| 26 | print("%8s" % "time","[ start","vel","last ]") | ||
| 27 | |||
| 28 | # total number of frames read | ||
| 29 | total_frames = 0 | ||
| 30 | while True: | ||
| 31 | samples, read = s() | ||
| 32 | new_note = notes_o(samples) | ||
| 33 | if (new_note[0] != 0): | ||
| 34 | note_str = ' '.join(["%.2f" % i for i in new_note]) | ||
| 35 | print("%.6f" % (total_frames/float(samplerate)), new_note) | ||
| 36 | total_frames += read | ||
| 37 | if read < hop_s: break | ||